Search

Sunray Chang

Examiner (ID: 17547, Phone: (571)272-3682 , Office: P/2121 )

Most Active Art Unit
2121
Art Unit(s)
2121
Total Applications
427
Issued Applications
241
Pending Applications
14
Abandoned Applications
172

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19976770 [patent_doc_number] => 12344229 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Vehicle control system [patent_app_type] => utility [patent_app_number] => 17/998558 [patent_app_country] => US [patent_app_date] => 2021-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5789 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17998558 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/998558
Vehicle control system May 12, 2021 Issued
Array ( [id] => 19904644 [patent_doc_number] => 12281641 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-22 [patent_title] => Wind turbine blade, a wind turbine and a method for manufacturing a wind turbine blade [patent_app_type] => utility [patent_app_number] => 17/925060 [patent_app_country] => US [patent_app_date] => 2021-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17925060 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/925060
Wind turbine blade, a wind turbine and a method for manufacturing a wind turbine blade May 11, 2021 Issued
Array ( [id] => 17990789 [patent_doc_number] => 20220356826 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => FLUID LEVEL WAKE-UP FUNCTIONALITY [patent_app_type] => utility [patent_app_number] => 17/316700 [patent_app_country] => US [patent_app_date] => 2021-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16651 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17316700 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/316700
Fluid level wake-up functionality May 9, 2021 Issued
Array ( [id] => 18045370 [patent_doc_number] => 11519312 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Exhaust gas heater for an exhaust gas system of a combustion engine [patent_app_type] => utility [patent_app_number] => 17/314590 [patent_app_country] => US [patent_app_date] => 2021-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2585 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 301 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17314590 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/314590
Exhaust gas heater for an exhaust gas system of a combustion engine May 6, 2021 Issued
Array ( [id] => 18418971 [patent_doc_number] => 20230173431 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => WET INLINE SCRUBBER WITH A SIDE INLET FOR REDUCING THE AMOUNT OF SOX IN AN EXHAUST GAS PRODUCED BY ONE OR MORE ENGINES OF A MARINE VESSEL [patent_app_type] => utility [patent_app_number] => 17/922763 [patent_app_country] => US [patent_app_date] => 2021-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17922763 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/922763
WET INLINE SCRUBBER WITH A SIDE INLET FOR REDUCING THE AMOUNT OF SOX IN AN EXHAUST GAS PRODUCED BY ONE OR MORE ENGINES OF A MARINE VESSEL May 4, 2021 Abandoned
Array ( [id] => 17998369 [patent_doc_number] => 11499468 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Systems and methods for using oxygen to diagnose in-range rationality for NOx sensors [patent_app_type] => utility [patent_app_number] => 17/246893 [patent_app_country] => US [patent_app_date] => 2021-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 12463 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17246893 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/246893
Systems and methods for using oxygen to diagnose in-range rationality for NOx sensors May 2, 2021 Issued
Array ( [id] => 18325309 [patent_doc_number] => 20230123437 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => CONFIGURABLE AFTERTREATMENT SYSTEMS INCLUDING A HOUSING [patent_app_type] => utility [patent_app_number] => 17/923804 [patent_app_country] => US [patent_app_date] => 2021-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14440 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17923804 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/923804
Configurable aftertreatment systems including a housing Apr 26, 2021 Issued
Array ( [id] => 18738372 [patent_doc_number] => 20230347288 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => SELECTIVE CATALYTIC REDUCTION CATALYST AND CATALYTIC ARTICLE COMPRISING THE SAME [patent_app_type] => utility [patent_app_number] => 17/997831 [patent_app_country] => US [patent_app_date] => 2021-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6805 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17997831 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/997831
SELECTIVE CATALYTIC REDUCTION CATALYST AND CATALYTIC ARTICLE COMPRISING THE SAME Apr 25, 2021 Abandoned
Array ( [id] => 18854597 [patent_doc_number] => 11852163 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Single suction centrifugal blower [patent_app_type] => utility [patent_app_number] => 17/238679 [patent_app_country] => US [patent_app_date] => 2021-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 10206 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 737 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17238679 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/238679
Single suction centrifugal blower Apr 22, 2021 Issued
Array ( [id] => 17714009 [patent_doc_number] => 11377994 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-05 [patent_title] => Method for exhaust gas aftertreatment, and exhaust gas aftertreatment system [patent_app_type] => utility [patent_app_number] => 17/235749 [patent_app_country] => US [patent_app_date] => 2021-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2677 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17235749 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/235749
Method for exhaust gas aftertreatment, and exhaust gas aftertreatment system Apr 19, 2021 Issued
Array ( [id] => 18085123 [patent_doc_number] => 11535238 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-27 [patent_title] => Exhaust heating system to reduce engine cold start emissions [patent_app_type] => utility [patent_app_number] => 17/228094 [patent_app_country] => US [patent_app_date] => 2021-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 5528 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17228094 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/228094
Exhaust heating system to reduce engine cold start emissions Apr 11, 2021 Issued
Array ( [id] => 18718500 [patent_doc_number] => 11795836 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Vane made of composite material comprising metallic reinforcements, and method for manufacturing such a vane [patent_app_type] => utility [patent_app_number] => 17/996024 [patent_app_country] => US [patent_app_date] => 2021-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 3232 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17996024 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/996024
Vane made of composite material comprising metallic reinforcements, and method for manufacturing such a vane Apr 11, 2021 Issued
Array ( [id] => 16978362 [patent_doc_number] => 20210222599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => REDUCTANT INJECTING DEVICE, EXHAUST GAS PROCESSING DEVICE AND EXHAUST GAS PROCESSING METHOD [patent_app_type] => utility [patent_app_number] => 17/301623 [patent_app_country] => US [patent_app_date] => 2021-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10759 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 289 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17301623 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/301623
Reductant injecting device, exhaust gas processing device and exhaust gas processing method Apr 8, 2021 Issued
Array ( [id] => 17923398 [patent_doc_number] => 11466636 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-10-11 [patent_title] => System and method for detecting a sensor offset [patent_app_type] => utility [patent_app_number] => 17/225954 [patent_app_country] => US [patent_app_date] => 2021-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 9335 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17225954 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/225954
System and method for detecting a sensor offset Apr 7, 2021 Issued
Array ( [id] => 19916629 [patent_doc_number] => 12291988 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => V-type engine, outboard motor, and ship [patent_app_type] => utility [patent_app_number] => 18/553696 [patent_app_country] => US [patent_app_date] => 2021-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 1155 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18553696 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/553696
V-type engine, outboard motor, and ship Apr 4, 2021 Issued
Array ( [id] => 17823196 [patent_doc_number] => 11428140 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-08-30 [patent_title] => Mixer assembly for vehicle exhaust system [patent_app_type] => utility [patent_app_number] => 17/218271 [patent_app_country] => US [patent_app_date] => 2021-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6793 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17218271 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/218271
Mixer assembly for vehicle exhaust system Mar 30, 2021 Issued
Array ( [id] => 18359616 [patent_doc_number] => 20230141207 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => HIGH AMMONIA STORAGE CAPACITY SCR CATALYSTS [patent_app_type] => utility [patent_app_number] => 17/907554 [patent_app_country] => US [patent_app_date] => 2021-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23037 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17907554 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/907554
High ammonia storage capacity SCR catalysts Mar 30, 2021 Issued
Array ( [id] => 17126970 [patent_doc_number] => 20210301739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-30 [patent_title] => System and Process for Controlled Chemical Ignition of Internal Combustion Engines [patent_app_type] => utility [patent_app_number] => 17/213543 [patent_app_country] => US [patent_app_date] => 2021-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7320 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17213543 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/213543
System and process for controlled chemical ignition of internal combustion engines Mar 25, 2021 Issued
Array ( [id] => 18217018 [patent_doc_number] => 11591944 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Methods and systems for removing deposits in an aftertreatment system [patent_app_type] => utility [patent_app_number] => 17/214524 [patent_app_country] => US [patent_app_date] => 2021-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7156 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17214524 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/214524
Methods and systems for removing deposits in an aftertreatment system Mar 25, 2021 Issued
Array ( [id] => 17728288 [patent_doc_number] => 11384668 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-12 [patent_title] => Method and device for managing the temperature of an exhaust gas aftertreatment system of a pollutant-discharging motor vehicle [patent_app_type] => utility [patent_app_number] => 17/213407 [patent_app_country] => US [patent_app_date] => 2021-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 12457 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17213407 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/213407
Method and device for managing the temperature of an exhaust gas aftertreatment system of a pollutant-discharging motor vehicle Mar 25, 2021 Issued
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